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Minimal Proxy Contract for 0x43c015df7f3868b287ad94d88b1e05f596bba453
Similar Match Source Code This contract matches the deployed Bytecode of the Source Code for Contract 0xB9d91900...577F4B400 The constructor portion of the code might be different and could alter the actual behaviour of the contract
Contract Name:
TimedRound
Compiler Version
v0.8.21+commit.d9974bed
Optimization Enabled:
Yes with 10000 runs
Other Settings:
paris EvmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: GPL-3.0 pragma solidity >=0.8.17; import { AssetRound } from './base/AssetRound.sol'; import { Asset, PackedAsset } from '../lib/types/Common.sol'; import { ITimedRound } from '../interfaces/ITimedRound.sol'; import { AssetHelper } from '../lib/utils/AssetHelper.sol'; import { MerkleProof } from '../lib/utils/MerkleProof.sol'; import { Selector, RoundType } from '../Constants.sol'; import { Uint256 } from '../lib/utils/Uint256.sol'; contract TimedRound is ITimedRound, AssetRound { using { Uint256.mask250 } for bytes32; using { AssetHelper.pack } for Asset; using { AssetHelper.packMany } for Asset[]; /// @notice The amount of time before an asset provider can reclaim unclaimed assets uint256 public constant RECLAIM_UNCLAIMED_ASSETS_AFTER = 4 weeks; /// @notice The amount of time before the security council can emergency withdraw assets uint256 public constant EMERGENCY_WITHDRAW_ASSETS_AFTER = 8 weeks; /// @notice Maximum winner count for this strategy uint256 public constant MAX_WINNER_COUNT = 25; /// @notice The minimum proposal submission period duration uint256 public constant MIN_PROPOSAL_PERIOD_DURATION = 60 minutes; /// @notice The minimum vote period duration uint256 public constant MIN_VOTE_PERIOD_DURATION = 60 minutes; /// @notice The current state of the timed round. `Active` upon deployment. RoundState public state; /// @notice The timestamp at which the round was finalized. `0` if not finalized. uint40 public finalizedAt; /// @notice The timestamp at which the proposal period starts. `0` if not registered. uint40 public proposalPeriodStartTimestamp; /// @notice The proposal period duration in seconds. `0` if not registered. uint40 public proposalPeriodDuration; /// @notice The vote period duration in seconds. `0` if not registered. uint40 public votePeriodDuration; /// @notice The number of possible winners. `0` if not registered. uint16 public winnerCount; constructor( uint256 _classHash, address _propHouse, address _starknet, address _messenger, uint256 _roundFactory, uint256 _executionRelayer, address _manager ) AssetRound( RoundType.TIMED, _classHash, _propHouse, _starknet, _messenger, _roundFactory, _executionRelayer, _manager ) {} /// @notice Initialize the round by defining the round's configuration /// and registering it on L2. /// @dev This function is only callable by the prop house contract function initialize(bytes calldata data) external payable onlyPropHouse { _register(abi.decode(data, (RoundConfig))); } /// @notice Checks if the `user` is a winner in the round when no assets were offered /// @param user The Ethereum address of the user /// @param proposalId The winning proposal ID /// @param position The rank or order of a winner in the round /// @param proof The Merkle proof verifying the user's inclusion at the specified position in the round's winner list function isWinner( address user, uint256 proposalId, uint256 position, bytes32[] calldata proof ) external view returns (bool) { return MerkleProof.verify(proof, winnerMerkleRoot, keccak256(abi.encode(user, proposalId, position))); } /// @notice Checks if the `user` is a winner in the round when assets were offered /// @param user The Ethereum address of the user /// @param proposalId The winning proposal ID /// @param position The rank or order of a winner in the round /// @param asset The asset that was won by the user /// @param proof The Merkle proof verifying the user's inclusion in the round's winner list function isAssetWinner( address user, uint256 proposalId, uint256 position, Asset calldata asset, bytes32[] calldata proof ) public view returns (bool) { return MerkleProof.verify( proof, winnerMerkleRoot, _computeClaimLeaf(proposalId, position, user, asset.pack()) ); } /// @notice Cancel the timed round /// @dev This function is only callable by the round manager function cancel() external payable onlyRoundManager { _cancel(); emit RoundCancelled(); } /// @notice Cancel the timed round in the event of an emergency /// @dev This function is only callable by the owner of the security council function emergencyCancel() external payable onlySecurityCouncil { _cancel(); emit RoundEmergencyCancelled(); } /// @notice Finalize the round by consuming the merkle root from Starknet. /// @param merkleRootLow The lower half of the split merkle root /// @param merkleRootHigh The higher half of the split merkle root function finalize(uint256 merkleRootLow, uint256 merkleRootHigh) external { if (state != RoundState.Active) { revert FINALIZATION_NOT_AVAILABLE(); } uint256[] memory payload = new uint256[](2); payload[0] = merkleRootLow; payload[1] = merkleRootHigh; // This function will revert if the message does not exist starknet.consumeMessageFromL2(executionRelayer, payload); // Reconstruct the merkle root, store it, and move the round to the finalized state winnerMerkleRoot = bytes32((merkleRootHigh << 128) + merkleRootLow); finalizedAt = uint40(block.timestamp); state = RoundState.Finalized; emit RoundFinalized(); } /// @notice Claim a round award asset to a custom recipient /// @param recipient The asset recipient /// @param proposalId The winning proposal ID /// @param position The rank or order of the winner in the round /// @param asset The asset to claim /// @param proof The merkle proof used to verify the validity of the asset payout function claimTo( address recipient, uint256 proposalId, uint256 position, Asset calldata asset, bytes32[] calldata proof ) external { _claimTo(recipient, proposalId, position, asset, proof); } /// @notice Claim a round award asset to the caller /// @param proposalId The winning proposal ID /// @param position The rank or order of the winner in the round /// @param asset The asset to claim /// @param proof The merkle proof used to verify the validity of the asset payout function claim(uint256 proposalId, uint256 position, Asset calldata asset, bytes32[] calldata proof) external { _claimTo(msg.sender, proposalId, position, asset, proof); } /// @notice Reclaim assets to a custom recipient /// @param recipient The asset recipient /// @param assets The assets to reclaim function reclaimTo(address recipient, Asset[] calldata assets) public { // prettier-ignore // Reclamation is only available when the round has been cancelled OR // the round has been finalized and is in the reclamation period if (state == RoundState.Active || (state == RoundState.Finalized && block.timestamp - finalizedAt < RECLAIM_UNCLAIMED_ASSETS_AFTER)) { revert RECLAMATION_NOT_AVAILABLE(); } _reclaimTo(recipient, assets); } /// @notice Reclaim assets to the caller /// @param assets The assets to reclaim function reclaim(Asset[] calldata assets) external { reclaimTo(msg.sender, assets); } /// @notice Emergency withdraw assets to a custom recipient /// @param recipient The asset recipient /// @param assets The assets to withdraw /// @dev This function is only callable by the security council once enough time has passed /// since the round was scheduled to end. function emergencyWithdrawTo(address recipient, Asset[] calldata assets) external onlySecurityCouncil { uint256 scheduledEnd = proposalPeriodStartTimestamp + proposalPeriodDuration + votePeriodDuration; if (block.timestamp < scheduledEnd || block.timestamp - scheduledEnd < EMERGENCY_WITHDRAW_ASSETS_AFTER) { revert EMERGENCY_WITHDRAWAL_NOT_AVAILABLE(); } for (uint256 i = 0; i < assets.length; ++i) { _transfer(assets[i], address(this), payable(recipient)); } } // prettier-ignore /// @notice Generate the payload required to register the round on L2 /// @param config The round configuration function getRegistrationPayload(RoundConfig memory config) public view returns (uint256[] memory payload) { uint256 vsCount = config.votingStrategies.length; uint256 vsParamFlatCount = config.votingStrategyParamsFlat.length; uint256 psCount = config.proposingStrategies.length; uint256 psParamsFlatCount = config.proposingStrategyParamsFlat.length; uint256 strategyParamsCount = vsCount + vsParamFlatCount + psCount + psParamsFlatCount; payload = new uint256[](14 + strategyParamsCount); // `payload[0]` is reserved for the round address, which is // set in the messenger contract for security purposes. payload[1] = classHash; // L2 strategy params payload[2] = 11 + strategyParamsCount; payload[3] = 10 + strategyParamsCount; payload[4] = _computeAwardHash(config.awards); payload[5] = config.proposalPeriodStartTimestamp; payload[6] = config.proposalPeriodDuration; payload[7] = config.votePeriodDuration; payload[8] = config.winnerCount; payload[9] = config.proposalThreshold; uint256 offset = 10; (payload, offset) = _addStrategies(payload, offset, config.proposingStrategies, config.proposingStrategyParamsFlat); (payload, ) = _addStrategies(payload, ++offset, config.votingStrategies, config.votingStrategyParamsFlat); return payload; } /// @notice Define the configuration and register the round on L2. /// Duplicate voting strategies are handled on L2. /// @param config The round configuration function _register(RoundConfig memory config) internal { _validate(config); // Set the proposal period start timestamp to the current block timestamp if it is in the past. config.proposalPeriodStartTimestamp = _max(config.proposalPeriodStartTimestamp, uint40(block.timestamp)); // Write round metadata to storage. This will be consumed by the token URI later. proposalPeriodStartTimestamp = config.proposalPeriodStartTimestamp; proposalPeriodDuration = config.proposalPeriodDuration; votePeriodDuration = config.votePeriodDuration; winnerCount = config.winnerCount; // Forward ETH to the meta-transaction relayer, if set. uint256 etherRemaining = msg.value; if (config.metaTx.deposit > 0) { if (config.metaTx.relayer == address(0)) revert NO_META_TX_RELAYER_PROVIDED(); if (config.metaTx.deposit > etherRemaining) revert INSUFFICIENT_ETHER_SUPPLIED(); _transferETH(payable(config.metaTx.relayer), config.metaTx.deposit); etherRemaining -= config.metaTx.deposit; } // Register the round on L2 messenger.sendMessageToL2{ value: etherRemaining }(roundFactory, Selector.REGISTER_ROUND, getRegistrationPayload(config)); emit RoundRegistered( config.awards, config.metaTx, config.proposalThreshold, config.proposingStrategies, config.proposingStrategyParamsFlat, config.votingStrategies, config.votingStrategyParamsFlat, config.proposalPeriodStartTimestamp, config.proposalPeriodDuration, config.votePeriodDuration, config.winnerCount ); } // prettier-ignore /// @notice Revert if the round configuration is invalid /// @param config The round configuration function _validate(RoundConfig memory config) internal pure { if (config.proposalPeriodDuration < MIN_PROPOSAL_PERIOD_DURATION) { revert PROPOSAL_PERIOD_DURATION_TOO_SHORT(); } if (config.votePeriodDuration < MIN_VOTE_PERIOD_DURATION) { revert VOTE_PERIOD_DURATION_TOO_SHORT(); } if (config.winnerCount == 0 || config.winnerCount > MAX_WINNER_COUNT) { revert WINNER_COUNT_OUT_OF_RANGE(); } if (config.proposalThreshold != 0 && config.proposingStrategies.length == 0) { revert NO_PROPOSING_STRATEGIES_PROVIDED(); } if (config.votingStrategies.length == 0) { revert NO_VOTING_STRATEGIES_PROVIDED(); } if (config.awards.length != 0 && config.awards.length != config.winnerCount) { if (config.awards.length != 1) { revert AWARD_LENGTH_MISMATCH(); } if (config.awards[0].amount % config.winnerCount != 0) { revert AWARD_AMOUNT_NOT_MULTIPLE_OF_WINNER_COUNT(); } } } /// @notice Cancel the timed round function _cancel() internal { if (state != RoundState.Active) { revert CANCELLATION_NOT_AVAILABLE(); } state = RoundState.Cancelled; // Notify Starknet of the cancellation _notifyRoundCancelled(); } /// @notice Claim a round award asset to a custom recipient /// @param recipient The asset recipient /// @param proposalId The winning proposal ID /// @param position The position or rank of the proposal in the winners list /// @param asset The asset to claim /// @param proof The merkle proof used to verify the validity of the asset payout function _claimTo( address recipient, uint256 proposalId, uint256 position, Asset calldata asset, bytes32[] calldata proof ) internal { if (isClaimed(proposalId)) { revert ALREADY_CLAIMED(); } PackedAsset memory packed = asset.pack(); if (!MerkleProof.verify(proof, winnerMerkleRoot, _computeClaimLeaf(proposalId, position, msg.sender, packed))) { revert INVALID_MERKLE_PROOF(); } _setClaimed(proposalId); _transfer(asset, address(this), payable(recipient)); emit AssetClaimed(proposalId, msg.sender, recipient, packed); } /// @dev Computes a leaf in the winner merkle tree used to release assets to winners. /// @param proposalId The winning proposal ID /// @param position The position or rank of the proposal in the winners list /// @param user The user claiming the assets /// @param packed The packed asset that's being claimed function _computeClaimLeaf(uint256 proposalId, uint256 position, address user, PackedAsset memory packed) internal pure returns (bytes32) { return keccak256(abi.encode(proposalId, position, user, packed)); } /// @notice Compute the award hash for the round, returning `0` if /// there are no awards. /// @param awards The round awards function _computeAwardHash(Asset[] memory awards) internal pure returns (uint256) { if (awards.length == 0) { return 0; } return keccak256(abi.encode(awards.packMany())).mask250(); } /// @dev Returns the largest of two numbers. /// @param a The first number /// @param b The second number function _max(uint40 a, uint40 b) internal pure returns (uint40) { return a > b ? a : b; } }
// SPDX-License-Identifier: GPL-3.0 pragma solidity >=0.8.17; import { Round } from './Round.sol'; import { IERC165 } from '../../interfaces/IERC165.sol'; import { AssetHelper } from '../../lib/utils/AssetHelper.sol'; import { IAssetRound } from '../../interfaces/IAssetRound.sol'; import { AssetController } from '../../lib/utils/AssetController.sol'; import { DepositReceiver } from '../../lib/utils/DepositReceiver.sol'; import { TokenHolder } from '../../lib/utils/TokenHolder.sol'; import { IManager } from '../../interfaces/IManager.sol'; import { ERC1155 } from '../../lib/token/ERC1155.sol'; import { Asset } from '../../lib/types/Common.sol'; abstract contract AssetRound is IAssetRound, Round, AssetController, TokenHolder, ERC1155, DepositReceiver { using { AssetHelper.toID } for Asset; /// @notice The Prop House manager contract IManager public immutable manager; /// @notice Determine if a winner has claimed their award asset /// @dev Proposal IDs map to bits in the uint256 mapping mapping(uint256 => uint256) private _assetClaimStatus; /// @notice The round implementation contract address address private immutable _implementation; constructor( bytes32 _kind, uint256 _classHash, address _propHouse, address _starknet, address _messenger, uint256 _roundFactory, uint256 _executionRelayer, address _manager ) Round(_kind, _classHash, _propHouse, _starknet, _messenger, _roundFactory, _executionRelayer) { manager = IManager(_manager); _implementation = address(this); } /// @notice Require that the caller is the prop house contract modifier onlySecurityCouncil() { if (msg.sender != manager.getSecurityCouncil()) { revert ONLY_SECURITY_COUNCIL(); } _; } /// @notice Returns the deposit token URI for the provided token ID /// @param tokenId The deposit token ID function uri(uint256 tokenId) external view override returns (string memory) { return manager.getMetadataRenderer(_implementation).tokenURI(tokenId); } // prettier-ignore /// @notice If the contract implements an interface /// @param interfaceId The interface id function supportsInterface(bytes4 interfaceId) public view virtual override(DepositReceiver, TokenHolder, ERC1155, IERC165) returns (bool) { return DepositReceiver.supportsInterface(interfaceId) || TokenHolder.supportsInterface(interfaceId) || ERC1155.supportsInterface(interfaceId); } /// @notice Issue a deposit receipt /// @param depositor The depositor address /// @param id The token identifier /// @param amount The token amount /// @dev This function is only callable by the prop house contract function onDepositReceived(address depositor, uint256 id, uint256 amount) external onlyPropHouse { _mint(depositor, id, amount, new bytes(0)); } /// @notice Issue deposit receipts /// @param depositor The depositor address /// @param ids The token identifiers /// @param amounts The token amounts /// @dev This function is only callable by the prop house contract function onDepositsReceived( address depositor, uint256[] calldata ids, uint256[] calldata amounts ) external onlyPropHouse { _batchMint(depositor, ids, amounts, new bytes(0)); } /// @notice Determine whether an asset has been claimed for a specific proposal ID /// @param proposalId The proposal ID function isClaimed(uint256 proposalId) public view returns (bool claimed) { uint256 isBitSet = (_assetClaimStatus[proposalId >> 8] >> (proposalId & 0xff)) & 1; assembly { claimed := isBitSet } } /// @notice Reclaim assets to a custom recipient /// @param recipient The asset recipient /// @param assets The assets to reclaim function _reclaimTo(address recipient, Asset[] calldata assets) internal { uint256 assetCount = assets.length; address caller = msg.sender; for (uint256 i = 0; i < assetCount; ) { uint256 assetId = assets[i].toID(); // Burn deposit credits. This will revert if the caller does not have enough credits. _burn(caller, assetId, assets[i].amount); // Transfer the asset to the recipient _transfer(assets[i], address(this), payable(recipient)); unchecked { ++i; } } } /// @notice Mark an asset as 'claimed' for the provided proposal ID /// @param proposalId The winning proposal ID function _setClaimed(uint256 proposalId) internal { _assetClaimStatus[proposalId >> 8] |= (1 << (proposalId & 0xff)); } }
// SPDX-License-Identifier: GPL-3.0 pragma solidity >=0.8.17; /// @notice Supported asset types enum AssetType { Native, ERC20, ERC721, ERC1155 } /// @notice Common struct for all supported asset types struct Asset { AssetType assetType; address token; uint256 identifier; uint256 amount; } /// @notice Packed asset information, which consists of an asset ID and amount struct PackedAsset { uint256 assetId; uint256 amount; } /// @notice Merkle proof information for an incremental tree struct IncrementalTreeProof { bytes32[] siblings; uint8[] pathIndices; } /// @notice A meta-transaction relayer address and deposit amount struct MetaTransaction { address relayer; uint256 deposit; }
// SPDX-License-Identifier: GPL-3.0 pragma solidity >=0.8.17; import { Asset, MetaTransaction } from '../lib/types/Common.sol'; /// @notice Interface implemented by the timed round interface ITimedRound { /// @notice All possible round states enum RoundState { Active, Cancelled, Finalized } /// @notice The timed round configuration struct RoundConfig { Asset[] awards; MetaTransaction metaTx; uint248 proposalThreshold; uint256[] proposingStrategies; uint256[] proposingStrategyParamsFlat; uint256[] votingStrategies; uint256[] votingStrategyParamsFlat; uint40 proposalPeriodStartTimestamp; uint40 proposalPeriodDuration; uint40 votePeriodDuration; uint16 winnerCount; } /// @notice Thrown when cancellation is attempted and the round is not active error CANCELLATION_NOT_AVAILABLE(); /// @notice Thrown when finalization is attempted and the round is not active error FINALIZATION_NOT_AVAILABLE(); /// @notice Thrown when asset reclamation is not available error RECLAMATION_NOT_AVAILABLE(); /// @notice Thrown when emergency withdrawal is not available error EMERGENCY_WITHDRAWAL_NOT_AVAILABLE(); /// @notice Thrown when the proposal period duration is too short error PROPOSAL_PERIOD_DURATION_TOO_SHORT(); /// @notice Thrown when the vote period duration is too short error VOTE_PERIOD_DURATION_TOO_SHORT(); /// @notice Thrown when the award length is greater than one and does not match the winner count error AWARD_LENGTH_MISMATCH(); /// @notice Thrown when one award is split between winners and the amount is not a multiple of the winner count error AWARD_AMOUNT_NOT_MULTIPLE_OF_WINNER_COUNT(); /// @notice Thrown when the winner count is zero or greater than the maximum allowable error WINNER_COUNT_OUT_OF_RANGE(); /// @notice Thrown when the proposal threshold is non-zero and no proposing strategies are provided error NO_PROPOSING_STRATEGIES_PROVIDED(); /// @notice Thrown when no voting strategies are provided error NO_VOTING_STRATEGIES_PROVIDED(); /// @notice Thrown when the meta-transaction deposit amount is non-zero, but no relayer address is provided. error NO_META_TX_RELAYER_PROVIDED(); /// @notice Thrown when an insufficient amount of ether is provided to `msg.value` error INSUFFICIENT_ETHER_SUPPLIED(); /// @notice Emitted when the round is registered on L2 /// @param awards The awards offered to round winners /// @param metaTx The meta-transaction relayer and deposit amount /// @param proposalThreshold The proposal threshold /// @param proposingStrategies The proposing strategy addresses /// @param proposingStrategyParamsFlat The flattened proposing strategy params /// @param votingStrategies The voting strategy addresses /// @param votingStrategyParamsFlat The flattened voting strategy params /// @param proposalPeriodStartTimestamp The timestamp at which the proposal period starts /// @param proposalPeriodDuration The proposal period duration in seconds /// @param votePeriodDuration The vote period duration in seconds /// @param winnerCount The number of possible winners event RoundRegistered( Asset[] awards, MetaTransaction metaTx, uint248 proposalThreshold, uint256[] proposingStrategies, uint256[] proposingStrategyParamsFlat, uint256[] votingStrategies, uint256[] votingStrategyParamsFlat, uint40 proposalPeriodStartTimestamp, uint40 proposalPeriodDuration, uint40 votePeriodDuration, uint16 winnerCount ); /// @notice Emitted when the round is finalized event RoundFinalized(); /// @notice Emitted when a round is cancelled by the round manager event RoundCancelled(); /// @notice Emitted when a round is cancelled by the security council in an emergency event RoundEmergencyCancelled(); /// @notice The current state of the timed round function state() external view returns (RoundState); /// @notice The timestamp at which the round was finalized. `0` if not finalized. function finalizedAt() external view returns (uint40); /// @notice The timestamp at which the proposal period starts. `0` when in pending state. function proposalPeriodStartTimestamp() external view returns (uint40); /// @notice The proposal period duration in seconds. `0` when in pending state. function proposalPeriodDuration() external view returns (uint40); /// @notice The vote period duration in seconds. `0` when in pending state. function votePeriodDuration() external view returns (uint40); /// @notice The number of possible winners. `0` when in pending state. function winnerCount() external view returns (uint16); }
// SPDX-License-Identifier: GPL-3.0 pragma solidity >=0.8.17; import { Asset, AssetType, PackedAsset } from '../types/Common.sol'; library AssetHelper { /// @notice Returns the packed asset information for a single asset /// @param asset The asset information function pack(Asset memory asset) internal pure returns (PackedAsset memory packed) { unchecked { packed = PackedAsset({ assetId: toID(asset), amount: asset.amount }); } } /// @notice Returns the packed asset information for the provided assets /// @param assets The asset information function packMany(Asset[] memory assets) internal pure returns (PackedAsset[] memory packed) { unchecked { uint256 assetCount = assets.length; packed = new PackedAsset[](assetCount); for (uint256 i = 0; i < assetCount; ++i) { packed[i] = pack(assets[i]); } } } /// @notice Calculates the asset IDs for the provided assets /// @param assets The asset information function toIDs(Asset[] memory assets) internal pure returns (uint256[] memory ids) { unchecked { uint256 assetCount = assets.length; ids = new uint256[](assetCount); for (uint256 i = 0; i < assetCount; ++i) { ids[i] = toID(assets[i]); } } } /// @dev Calculates the asset ID for the provided asset /// @param asset The asset information function toID(Asset memory asset) internal pure returns (uint256) { if (asset.assetType == AssetType.Native) { return uint256(asset.assetType); } if (asset.assetType == AssetType.ERC20) { return uint256(bytes32(abi.encodePacked(asset.assetType, asset.token))); } // prettier-ignore return uint256( bytes32(abi.encodePacked(asset.assetType, keccak256(abi.encodePacked(asset.token, asset.identifier)))) ); } }
// SPDX-License-Identifier: GPL-3.0 pragma solidity >=0.8.17; /// @notice Gas optimized merkle proof verification library library MerkleProof { function verify(bytes32[] memory proof, bytes32 root, bytes32 leaf) internal pure returns (bool isValid) { /// @solidity memory-safe-assembly assembly { if mload(proof) { // Initialize `offset` to the offset of `proof` elements in memory. let offset := add(proof, 0x20) // Left shift by 5 is equivalent to multiplying by 0x20. let end := add(offset, shl(5, mload(proof))) // Iterate over proof elements to compute root hash. for {} 1 {} { // Slot of `leaf` in scratch space. // If the condition is true: 0x20, otherwise: 0x00. let scratch := shl(5, gt(leaf, mload(offset))) // Store elements to hash contiguously in scratch space. // Scratch space is 64 bytes (0x00 - 0x3f) and both elements are 32 bytes. mstore(scratch, leaf) mstore(xor(scratch, 0x20), mload(offset)) // Reuse `leaf` to store the hash to reduce stack operations. leaf := keccak256(0x00, 0x40) offset := add(offset, 0x20) if iszero(lt(offset, end)) { break } } } isValid := eq(leaf, root) } } }
// SPDX-License-Identifier: GPL-3.0 pragma solidity >=0.8.17; // ETH pseudo-token address address constant ETH_ADDRESS = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE; // The maximum value that can be represented as an unsigned 250-bit integer uint256 constant MAX_250_BIT_UNSIGNED = 0x03FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF; /// @notice Starknet function selector constants library Selector { // print(get_selector_from_name("register_round")) uint256 constant REGISTER_ROUND = 0x26490f901ea8ad5a245d987479919f1d20fbb0c164367e33ef09a9ea4ba8d04; // print(get_selector_from_name("cancel_round")) uint256 constant CANCEL_ROUND = 0x8af3ea41808c9515720e56add54a2d8008458a8bc5e347b791c6d75cd0e407; // print(get_selector_from_name("finalize_round")) uint256 constant FINALIZE_ROUND = 0x2445872c1b7a1219e1e75f2a60719ce0a68a8442fee1bdbee6c3c649340e6f3; // print(get_selector_from_name("route_call_to_round")) uint256 constant ROUTE_CALL_TO_ROUND = 0x24931ca109ce0ffa87913d91f12d6ac327550c015a573c7b17a187c29ed8c1a; } /// @notice Prop House metadata constants library PHMetadata { // The Prop House NFT name string constant NAME = 'Prop House'; // The Prop House entrypoint NFT symbol string constant SYMBOL = 'PROP'; // The Prop House entrypoint NFT contract URI string constant URI = 'ipfs://bafkreiagexn2wbv5t63y2xbf6mmcx3rktrqxrsyzf5gl5l7c2lm3bkqjc4'; } /// @notice Community house metadata constants library CHMetadata { // The Community House type bytes32 constant TYPE = 'COMMUNITY'; // The Community House NFT name string constant NAME = 'Community House'; // The Community House NFT symbol string constant SYMBOL = 'COMM'; } /// @notice Round type constants library RoundType { // The Timed Round type bytes32 constant TIMED = 'TIMED'; // The Infinite Round type bytes32 constant INFINITE = 'INFINITE'; }
// SPDX-License-Identifier: GPL-3.0 pragma solidity >=0.8.17; import { MAX_250_BIT_UNSIGNED } from '../../Constants.sol'; library Uint256 { /// @notice Split a uint256 into a high and low value /// @param value The uint256 value to split /// @dev This is useful for passing uint256 values to Starknet, whose felt /// type only supports 251 bits. function split(uint256 value) internal pure returns (uint256, uint256) { uint256 low = value & ((1 << 128) - 1); uint256 high = value >> 128; return (low, high); } /// Mask the passed `value` to 250 bits /// @param value The value to mask function mask250(bytes32 value) internal pure returns (uint256) { return uint256(value) & MAX_250_BIT_UNSIGNED; } /// @notice Convert an address to a uint256 /// @param addr The address to convert function toUint256(address addr) internal pure returns (uint256) { return uint256(uint160(addr)); } }
// SPDX-License-Identifier: GPL-3.0 pragma solidity >=0.8.17; import { Clone } from 'solady/src/utils/Clone.sol'; import { IHouse } from '../../interfaces/IHouse.sol'; import { IRound } from '../../interfaces/IRound.sol'; import { IPropHouse } from '../../interfaces/IPropHouse.sol'; import { IStarknetCore } from '../../interfaces/IStarknetCore.sol'; import { IMessenger } from '../../interfaces/IMessenger.sol'; import { Uint256 } from '../../lib/utils/Uint256.sol'; import { Selector } from '../../Constants.sol'; abstract contract Round is IRound, Clone { using { Uint256.toUint256 } for address; /// @notice The round type bytes32 public immutable kind; /// @notice The hash of the Starknet round contract uint256 public immutable classHash; /// @notice The entrypoint for all house and round creation IPropHouse public immutable propHouse; /// @notice The Starknet Core contract IStarknetCore public immutable starknet; /// @notice The Starknet Messenger contract IMessenger public immutable messenger; /// @notice The Round Factory contract address on Starknet uint256 internal immutable roundFactory; /// @notice The execution relayer contract on Starknet uint256 public immutable executionRelayer; /// @notice The merkle root that contains winner information. `bytes32(0)` if not finalized. bytes32 public winnerMerkleRoot; /// @notice Get the address of the house on which this strategy belongs /// @dev Value is read using clone-with-immutable-args from contract's code region. function house() public pure returns (address) { return _getArgAddress(0); } /// @notice Get the round title /// @dev Value is read using clone-with-immutable-args from contract's code region. function title() public pure returns (string memory) { return string(_getArgBytes(21, _getArgUint8(20))); } /// @notice Get the round ID function id() public view returns (uint256) { return address(this).toUint256(); } /// @param _kind The round type /// @param _classHash The hash of the Starknet round contract /// @param _propHouse The entrypoint for all house and round creation /// @param _starknet The Starknet Core contract /// @param _messenger The Starknet Messenger contract /// @param _roundFactory The Round Factory contract address on Starknet /// @param _executionRelayer The execution relayer contract on Starknet constructor( bytes32 _kind, uint256 _classHash, address _propHouse, address _starknet, address _messenger, uint256 _roundFactory, uint256 _executionRelayer ) { kind = _kind; classHash = _classHash; propHouse = IPropHouse(_propHouse); starknet = IStarknetCore(_starknet); messenger = IMessenger(_messenger); roundFactory = _roundFactory; executionRelayer = _executionRelayer; } /// @notice Require that the caller is the prop house contract modifier onlyPropHouse() { if (msg.sender != address(propHouse)) { revert ONLY_PROP_HOUSE(); } _; } /// @notice Require that the caller is the round manager modifier onlyRoundManager() { if (msg.sender != IHouse(house()).ownerOf(id())) { revert ONLY_ROUND_MANAGER(); } _; } /// @dev Route a call to the round contract on Starknet /// @param payload The payload to send to the round contract on Starknet function _callStarknetRound(uint256[] memory payload) internal { messenger.sendMessageToL2{ value: msg.value }(roundFactory, Selector.ROUTE_CALL_TO_ROUND, payload); } /// @dev Route a round cancellation call to the round contract on Starknet /// `payload[0]` - Round address /// `payload[2]` - Empty calldata array length function _notifyRoundCancelled() internal { uint256[] memory payload = new uint256[](3); payload[1] = Selector.CANCEL_ROUND; _callStarknetRound(payload); } /// @dev Add strategies and parameters to the payload /// @param payload The payload to add to /// @param offset The starting offset index /// @param strategies The strategy addresses to add /// @param params The flattened parameters to add function _addStrategies( uint256[] memory payload, uint256 offset, uint256[] memory strategies, uint256[] memory params ) internal pure returns (uint256[] memory, uint256) { unchecked { uint256 strategyCount = strategies.length; uint256 paramCount = params.length; // Add strategy count payload[offset] = strategyCount; // Add strategies for (uint256 i = 0; i < strategyCount; ++i) { uint256 strategy = strategies[i]; if (strategy == 0) { revert INVALID_STRATEGY(strategy); } payload[++offset] = strategy; } // Add parameter count payload[++offset] = paramCount; // Add parameters for (uint256 i = 0; i < paramCount; ++i) { payload[++offset] = params[i]; } return (payload, offset); } } }
// SPDX-License-Identifier: GPL-3.0 pragma solidity >=0.8.17; /// @title IERC165 /// @notice Interface of the ERC165 standard, as defined in the https://eips.ethereum.org/EIPS/eip-165[EIP]. interface IERC165 { /// @dev Returns true if this contract implements the interface defined by /// `interfaceId`. See the corresponding /// https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] /// to learn more about how these ids are created. /// This function call must use less than 30000 gas. function supportsInterface(bytes4 interfaceId) external view returns (bool); }
// SPDX-License-Identifier: GPL-3.0 pragma solidity >=0.8.17; import { IRound } from './IRound.sol'; import { PackedAsset } from '../lib/types/Common.sol'; interface IAssetRound is IRound { /// @notice Thrown when an asset has already been claimed error ALREADY_CLAIMED(); /// @notice Thrown when the provided merkle proof is invalid error INVALID_MERKLE_PROOF(); /// @notice Thrown when the caller of a guarded function is not the security council error ONLY_SECURITY_COUNCIL(); /// @notice Emitted when an asset is claimed by a winner /// @param proposalId The ID of the winning proposal /// @param claimer The address of the claimer (winner) /// @param recipient The recipient of the asset /// @param asset The ID and amount of the asset being claimed event AssetClaimed(uint256 proposalId, address claimer, address recipient, PackedAsset asset); /// @notice Emitted when an asset is claimed by a winner /// @param proposalId The ID of the winning proposal /// @param claimer The address of the claimer (winner) /// @param recipient The recipient of the asset /// @param assets The ID and amount of the assets being claimed event AssetsClaimed(uint256 proposalId, address claimer, address recipient, PackedAsset[] assets); }
// SPDX-License-Identifier: GPL-3.0 pragma solidity >=0.8.17; import { IERC20 } from '@openzeppelin/contracts/token/ERC20/IERC20.sol'; import { IERC721 } from '@openzeppelin/contracts/token/ERC721/IERC721.sol'; import { IERC1155 } from '@openzeppelin/contracts/token/ERC1155/IERC1155.sol'; import { SafeERC20 } from '@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol'; import { AssetType, Asset } from '../types/Common.sol'; abstract contract AssetController { using SafeERC20 for IERC20; /// @notice Thrown when unused asset parameters are populated error UNUSED_ASSET_PARAMETERS(); /// @notice Thrown when an ether transfer does not succeed error ETHER_TRANSFER_FAILED(); /// @notice Thrown when the ERC721 transfer amount is not equal to one error INVALID_ERC721_TRANSFER_AMOUNT(); /// @notice Thrown when an unknown asset type is provided error INVALID_ASSET_TYPE(); /// @notice Thrown when no asset amount is provided error MISSING_ASSET_AMOUNT(); /// @dev Returns the balance of `asset` for `account` /// @param asset The asset to fetch the balance of /// @param account The account to fetch the balance for function _balanceOf(Asset memory asset, address account) internal view returns (uint256) { if (asset.assetType == AssetType.Native) { return account.balance; } if (asset.assetType == AssetType.ERC20) { return IERC20(asset.token).balanceOf(account); } if (asset.assetType == AssetType.ERC721) { return IERC721(asset.token).ownerOf(asset.identifier) == account ? 1 : 0; } if (asset.assetType == AssetType.ERC1155) { return IERC1155(asset.token).balanceOf(account, asset.identifier); } revert INVALID_ASSET_TYPE(); } /// @dev Transfer a given asset from the provided `from` address to the `to` address /// @param asset The asset to transfer, including the asset amount /// @param source The account supplying the asset /// @param recipient The asset recipient function _transfer(Asset memory asset, address source, address payable recipient) internal { if (asset.assetType == AssetType.Native) { // Ensure neither the token nor the identifier parameters are set if ((uint160(asset.token) | asset.identifier) != 0) { revert UNUSED_ASSET_PARAMETERS(); } _transferETH(recipient, asset.amount); } else if (asset.assetType == AssetType.ERC20) { // Ensure that no identifier is supplied if (asset.identifier != 0) { revert UNUSED_ASSET_PARAMETERS(); } _transferERC20(asset.token, source, recipient, asset.amount); } else if (asset.assetType == AssetType.ERC721) { _transferERC721(asset.token, asset.identifier, source, recipient, asset.amount); } else if (asset.assetType == AssetType.ERC1155) { _transferERC1155(asset.token, asset.identifier, source, recipient, asset.amount); } else { revert INVALID_ASSET_TYPE(); } } /// @notice Transfers one or more assets from the provided `from` address to the `to` address /// @param assets The assets to transfer, including the asset amounts /// @param source The account supplying the assets /// @param recipient The asset recipient function _transferMany(Asset[] memory assets, address source, address payable recipient) internal { uint256 assetCount = assets.length; for (uint256 i = 0; i < assetCount; ) { _transfer(assets[i], source, recipient); unchecked { ++i; } } } /// @notice Transfers ETH to a recipient address /// @param recipient The transfer recipient /// @param amount The amount of ETH to transfer function _transferETH(address payable recipient, uint256 amount) internal { _assertNonZeroAmount(amount); bool success; assembly { success := call(10000, recipient, amount, 0, 0, 0, 0) } if (!success) { revert ETHER_TRANSFER_FAILED(); } } /// @notice Transfers ERC20 tokens from a provided account to a recipient address /// @param token The token to transfer /// @param source The transfer source /// @param recipient The transfer recipient /// @param amount The amount to transfer function _transferERC20(address token, address source, address recipient, uint256 amount) internal { _assertNonZeroAmount(amount); // Use `transfer` if the source is this contract if (source == address(this)) { IERC20(token).safeTransfer(recipient, amount); } else { IERC20(token).safeTransferFrom(source, recipient, amount); } } /// @notice Transfers an ERC721 token to a recipient address /// @param token The token to transfer /// @param identifier The ID of the token to transfer /// @param source The transfer source /// @param recipient The transfer recipient /// @param amount The token amount (Must be 1) function _transferERC721( address token, uint256 identifier, address source, address recipient, uint256 amount ) internal { if (amount != 1) { revert INVALID_ERC721_TRANSFER_AMOUNT(); } IERC721(token).transferFrom(source, recipient, identifier); } /// @notice Transfers ERC1155 tokens to a recipient address /// @param token The token to transfer /// @param identifier The ID of the token to transfer /// @param source The transfer source /// @param recipient The transfer recipient /// @param amount The amount to transfer function _transferERC1155( address token, uint256 identifier, address source, address recipient, uint256 amount ) internal { _assertNonZeroAmount(amount); IERC1155(token).safeTransferFrom(source, recipient, identifier, amount, new bytes(0)); } /// @dev Ensure that a given asset amount is not zero /// @param amount The amount to check function _assertNonZeroAmount(uint256 amount) internal pure { // Revert if the supplied amount is equal to zero if (amount == 0) { revert MISSING_ASSET_AMOUNT(); } } }
// SPDX-License-Identifier: GPL-3.0 pragma solidity >=0.8.17; import { IDepositReceiver } from '../../interfaces/IDepositReceiver.sol'; abstract contract DepositReceiver is IDepositReceiver { function supportsInterface(bytes4 interfaceId) public view virtual returns (bool) { return interfaceId == type(IDepositReceiver).interfaceId; } }
// SPDX-License-Identifier: GPL-3.0 pragma solidity >=0.8.17; import { ERC165 } from './ERC165.sol'; import { IERC165 } from '../../interfaces/IERC165.sol'; import { ERC721TokenReceiver, ERC1155TokenReceiver } from './TokenReceiver.sol'; /// @notice A contract which properly accepts and holds ERC721 & ERC1155 tokens. abstract contract TokenHolder is ERC721TokenReceiver, ERC1155TokenReceiver, ERC165 { /// @notice If the contract implements an interface /// @param interfaceId The interface id function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(ERC721TokenReceiver).interfaceId || interfaceId == type(ERC1155TokenReceiver).interfaceId || super.supportsInterface(interfaceId); } }
// SPDX-License-Identifier: GPL-3.0 pragma solidity >=0.8.17; import { ITokenMetadataRenderer } from './ITokenMetadataRenderer.sol'; /// @notice Interface for the Manager contract interface IManager { /// @notice Emitted when a house implementation is registered /// @param houseImpl The house implementation address /// @param houseType The house implementation type event HouseRegistered(address houseImpl, bytes32 houseType); /// @notice Emitted when a house implementation is unregistered /// @param houseImpl The house implementation address event HouseUnregistered(address houseImpl); /// @notice Emitted when a round implementation is registered on a house /// @param houseImpl The house implementation address /// @param roundImpl The round implementation address /// @param roundType The round implementation type event RoundRegistered(address houseImpl, address roundImpl, bytes32 roundType); /// @notice Emitted when a round implementation is unregistered on a house /// @param houseImpl The house implementation address /// @param roundImpl The round implementation address event RoundUnregistered(address houseImpl, address roundImpl); /// @notice Emitted when a metadata renderer is set for a contract /// @param addr The contract address /// @param renderer The renderer address event MetadataRendererSet(address addr, address renderer); /// @notice Emitted when the security council address is set /// @param securityCouncil The security council address event SecurityCouncilSet(address securityCouncil); /// @notice Determine if a house implementation is registered /// @param houseImpl The house implementation address function isHouseRegistered(address houseImpl) external view returns (bool); /// @notice Determine if a round implementation is registered on the provided house /// @param houseImpl The house implementation address /// @param roundImpl The round implementation address function isRoundRegistered(address houseImpl, address roundImpl) external view returns (bool); /// @notice Get the metadata renderer for a contract /// @param contract_ The contract address function getMetadataRenderer(address contract_) external view returns (ITokenMetadataRenderer); /// @notice Get the security council address function getSecurityCouncil() external view returns (address); }
// SPDX-License-Identifier: AGPL-3.0-only pragma solidity >=0.8.17; import { ERC1155TokenReceiver } from '../utils/TokenReceiver.sol'; import { IERC1155 } from '../../interfaces/IERC1155.sol'; /// @notice Minimalist and gas efficient standard ERC1155 implementation. /// @author Modified from Solmate (https://github.com/transmissions11/solmate/blob/main/src/tokens/ERC1155.sol) /// - Uses custom errors /// - Does not revert on `_mint` & `_batchMint` if the receiver is a contract and does NOT implement the ERC1155TokenReceiver rules abstract contract ERC1155 is IERC1155 { mapping(address => mapping(uint256 => uint256)) public balanceOf; mapping(address => mapping(address => bool)) public isApprovedForAll; function uri(uint256 id) external view virtual returns (string memory); function setApprovalForAll(address operator, bool approved) public virtual { isApprovedForAll[msg.sender][operator] = approved; emit ApprovalForAll(msg.sender, operator, approved); } function safeTransferFrom( address from, address to, uint256 id, uint256 amount, bytes calldata data ) public virtual { if (msg.sender != from && !isApprovedForAll[from][msg.sender]) { revert NOT_AUTHORIZED(); } uint256[] memory ids = _asSingletonArray(id); uint256[] memory amounts = _asSingletonArray(amount); _beforeTokenTransfer(msg.sender, from, to, ids, amounts, data); balanceOf[from][id] -= amount; balanceOf[to][id] += amount; emit TransferSingle(msg.sender, from, to, id, amount); // prettier-ignore if (to.code.length == 0 ? to == address(0) : ERC1155TokenReceiver(to).onERC1155Received(msg.sender, from, id, amount, data) != ERC1155TokenReceiver.onERC1155Received.selector) { revert UNSAFE_RECIPIENT(); } } function safeBatchTransferFrom( address from, address to, uint256[] calldata ids, uint256[] calldata amounts, bytes calldata data ) public virtual { if (ids.length != amounts.length) { revert LENGTH_MISMATCH(); } if (msg.sender != from && !isApprovedForAll[from][msg.sender]) { revert NOT_AUTHORIZED(); } _beforeTokenTransfer(msg.sender, from, to, ids, amounts, data); // Storing these outside the loop saves ~15 gas per iteration. uint256 id; uint256 amount; for (uint256 i = 0; i < ids.length; ) { id = ids[i]; amount = amounts[i]; balanceOf[from][id] -= amount; balanceOf[to][id] += amount; // An array can't have a total length // larger than the max uint256 value. unchecked { ++i; } } emit TransferBatch(msg.sender, from, to, ids, amounts); // prettier-ignore if (to.code.length == 0 ? to == address(0) : ERC1155TokenReceiver(to).onERC1155BatchReceived(msg.sender, from, ids, amounts, data) != ERC1155TokenReceiver.onERC1155BatchReceived.selector) { revert UNSAFE_RECIPIENT(); } } function balanceOfBatch( address[] calldata owners, uint256[] calldata ids ) public view virtual returns (uint256[] memory balances) { if (owners.length != ids.length) { revert LENGTH_MISMATCH(); } balances = new uint256[](owners.length); // Unchecked because the only math done is incrementing // the array index counter which cannot possibly overflow. unchecked { for (uint256 i = 0; i < owners.length; ++i) { balances[i] = balanceOf[owners[i]][ids[i]]; } } } function supportsInterface(bytes4 interfaceId) public view virtual returns (bool) { return interfaceId == 0x01ffc9a7 || // ERC165 Interface ID for ERC165 interfaceId == 0xd9b67a26 || // ERC165 Interface ID for ERC1155 interfaceId == 0x0e89341c; // ERC165 Interface ID for ERC1155MetadataURI } function _mint(address to, uint256 id, uint256 amount, bytes memory data) internal virtual { uint256[] memory ids = _asSingletonArray(id); uint256[] memory amounts = _asSingletonArray(amount); _beforeTokenTransfer(msg.sender, address(0), to, ids, amounts, data); balanceOf[to][id] += amount; emit TransferSingle(msg.sender, address(0), to, id, amount); if (to.code.length == 0) { if (to == address(0)) { revert UNSAFE_RECIPIENT(); } } else { // prettier-ignore try ERC1155TokenReceiver(to).onERC1155Received(msg.sender, address(0), id, amount, data) returns (bytes4 response) { // `to` supports `ERC1155TokenReceiver`. Revert if an unexpected response is received. if (response != ERC1155TokenReceiver.onERC1155Received.selector) { revert UNSAFE_RECIPIENT(); } } catch { // We MUST check if `to` supports `ERC1155TokenReceiver`. If not, we take a less restrictive approach than // most implementations and do NOT revert. According to the spec, this is valid behavior. try ERC1155TokenReceiver(to).supportsInterface(0x4e2312e0 /* `ERC1155TokenReceiver` support */) returns (bool supported) { if (supported) { revert UNSAFE_RECIPIENT(); } } catch {} } } } function _batchMint( address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) internal virtual { uint256 idsLength = ids.length; // Saves MLOADs. if (idsLength != amounts.length) { revert LENGTH_MISMATCH(); } _beforeTokenTransfer(msg.sender, address(0), to, ids, amounts, data); for (uint256 i = 0; i < idsLength; ) { balanceOf[to][ids[i]] += amounts[i]; // An array can't have a total length // larger than the max uint256 value. unchecked { ++i; } } emit TransferBatch(msg.sender, address(0), to, ids, amounts); if (to.code.length == 0) { if (to == address(0)) { revert UNSAFE_RECIPIENT(); } } else { // prettier-ignore try ERC1155TokenReceiver(to).onERC1155BatchReceived(msg.sender, address(0), ids, amounts, data) returns (bytes4 response) { // `to` supports `ERC1155TokenReceiver`. Revert if an unexpected response is received. if (response != ERC1155TokenReceiver.onERC1155BatchReceived.selector) { revert UNSAFE_RECIPIENT(); } } catch { // We MUST check if `to` supports `ERC1155TokenReceiver`. If not, we take a less restrictive approach than // most implementations and do NOT revert. According to the spec, this is valid behavior. try ERC1155TokenReceiver(to).supportsInterface(0x4e2312e0 /* `ERC1155TokenReceiver` support */) returns (bool supported) { if (supported) { revert UNSAFE_RECIPIENT(); } } catch {} } } } function _batchBurn(address from, uint256[] memory ids, uint256[] memory amounts) internal virtual { uint256 idsLength = ids.length; // Saves MLOADs. if (idsLength != amounts.length) { revert LENGTH_MISMATCH(); } _beforeTokenTransfer(msg.sender, from, address(0), ids, amounts, ''); for (uint256 i = 0; i < idsLength; ) { balanceOf[from][ids[i]] -= amounts[i]; // An array can't have a total length // larger than the max uint256 value. unchecked { ++i; } } emit TransferBatch(msg.sender, from, address(0), ids, amounts); } function _burn(address from, uint256 id, uint256 amount) internal virtual { uint256[] memory ids = _asSingletonArray(id); uint256[] memory amounts = _asSingletonArray(amount); _beforeTokenTransfer(msg.sender, from, address(0), ids, amounts, ''); balanceOf[from][id] -= amount; emit TransferSingle(msg.sender, from, address(0), id, amount); } function _asSingletonArray(uint256 element) private pure returns (uint256[] memory array) { array = new uint256[](1); array[0] = element; } function _beforeTokenTransfer( address operator, address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) internal virtual {} }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.4; /// @notice Class with helper read functions for clone with immutable args. /// @author Solady (https://github.com/vectorized/solady/blob/main/src/utils/Clone.sol) /// @author Adapted from clones with immutable args by zefram.eth, Saw-mon & Natalie /// (https://github.com/Saw-mon-and-Natalie/clones-with-immutable-args) abstract contract Clone { /// @dev Reads an immutable arg with type bytes. function _getArgBytes(uint256 argOffset, uint256 length) internal pure returns (bytes memory arg) { uint256 offset = _getImmutableArgsOffset(); /// @solidity memory-safe-assembly assembly { // Grab the free memory pointer. arg := mload(0x40) // Store the array length. mstore(arg, length) // Copy the array. calldatacopy(add(arg, 0x20), add(offset, argOffset), length) // Allocate the memory, rounded up to the next 32 byte boudnary. mstore(0x40, and(add(add(arg, 0x3f), length), not(0x1f))) } } /// @dev Reads an immutable arg with type address. function _getArgAddress(uint256 argOffset) internal pure returns (address arg) { uint256 offset = _getImmutableArgsOffset(); /// @solidity memory-safe-assembly assembly { arg := shr(0x60, calldataload(add(offset, argOffset))) } } /// @dev Reads an immutable arg with type uint256 function _getArgUint256(uint256 argOffset) internal pure returns (uint256 arg) { uint256 offset = _getImmutableArgsOffset(); /// @solidity memory-safe-assembly assembly { arg := calldataload(add(offset, argOffset)) } } /// @dev Reads a uint256 array stored in the immutable args. function _getArgUint256Array(uint256 argOffset, uint256 length) internal pure returns (uint256[] memory arg) { uint256 offset = _getImmutableArgsOffset(); /// @solidity memory-safe-assembly assembly { // Grab the free memory pointer. arg := mload(0x40) // Store the array length. mstore(arg, length) // Copy the array. calldatacopy(add(arg, 0x20), add(offset, argOffset), shl(5, length)) // Allocate the memory. mstore(0x40, add(add(arg, 0x20), shl(5, length))) } } /// @dev Reads an immutable arg with type uint64. function _getArgUint64(uint256 argOffset) internal pure returns (uint64 arg) { uint256 offset = _getImmutableArgsOffset(); /// @solidity memory-safe-assembly assembly { arg := shr(0xc0, calldataload(add(offset, argOffset))) } } /// @dev Reads an immutable arg with type uint8. function _getArgUint8(uint256 argOffset) internal pure returns (uint8 arg) { uint256 offset = _getImmutableArgsOffset(); /// @solidity memory-safe-assembly assembly { arg := shr(0xf8, calldataload(add(offset, argOffset))) } } /// @return offset The offset of the packed immutable args in calldata. function _getImmutableArgsOffset() internal pure returns (uint256 offset) { /// @solidity memory-safe-assembly assembly { offset := sub(calldatasize(), shr(0xf0, calldataload(sub(calldatasize(), 2)))) } } }
// SPDX-License-Identifier: GPL-3.0 pragma solidity >=0.8.17; import { IERC721 } from './IERC721.sol'; /// @notice Common House interface interface IHouse is IERC721 { /// @notice Thrown when the caller is not the prop house contract error ONLY_PROP_HOUSE(); /// @notice Thrown when the caller does not hold the house ownership token error ONLY_HOUSE_OWNER(); /// @notice Thrown when the provided value does not fit into 8 bits error VALUE_DOES_NOT_FIT_IN_8_BITS(); /// @notice The house type function kind() external view returns (bytes32); /// @notice Initialize the house /// @param data Initialization data function initialize(bytes calldata data) external; /// @notice Returns `true` if the provided address is a valid round on the house /// @param round The round to validate function isRound(address round) external view returns (bool); /// @notice Create a new round /// @param impl The round implementation contract /// @param title The round title /// @param creator The round creator address function createRound(address impl, string calldata title, address creator) external returns (address); }
// SPDX-License-Identifier: GPL-3.0 pragma solidity >=0.8.17; import { IERC165 } from './IERC165.sol'; /// @notice Interface that must be implemented by all round types interface IRound is IERC165 { /// @notice Thrown when the caller of a guarded function is not the prop house contract error ONLY_PROP_HOUSE(); /// @notice Thrown when the caller of a guarded function is not the round manager error ONLY_ROUND_MANAGER(); /// @notice Thrown when the address of a provided strategy is zero /// @param strategy The address of the strategy error INVALID_STRATEGY(uint256 strategy); /// @notice The round type function kind() external view returns (bytes32); /// @notice Get the round title function title() external pure returns (string memory); /// @notice Initialize the round /// @param data The optional round data. If empty, round registration is deferred. function initialize(bytes calldata data) external payable; /// @notice The house that the round belongs to function house() external view returns (address); /// @notice The round ID function id() external view returns (uint256); }
// SPDX-License-Identifier: GPL-3.0 pragma solidity >=0.8.17; import { Asset } from '../lib/types/Common.sol'; import { IERC721 } from './IERC721.sol'; /// @notice Interface implemented by the Prop House entry contract interface IPropHouse is IERC721 { /// @notice House creation data, including the implementation contract and config struct House { address impl; bytes config; } /// @notice Round creation data, including the implementation contract, config, and other metadata struct Round { address impl; bytes config; string title; string description; } /// @notice Thrown when an insufficient amount of ether is provided to `msg.value` error INSUFFICIENT_ETHER_SUPPLIED(); /// @notice Thrown when a provided house is invalid error INVALID_HOUSE(); /// @notice Thrown when a provided round is invalid error INVALID_ROUND(); /// @notice Thrown when a provided house implementation is invalid error INVALID_HOUSE_IMPL(); /// @notice Thrown when a round implementation contract is invalid for a house error INVALID_ROUND_IMPL_FOR_HOUSE(); /// @notice Thrown when a house attempts to pull tokens from a user who has not approved it error HOUSE_NOT_APPROVED_BY_USER(); /// @notice Emitted when a house is created /// @param creator The house creator /// @param house The house contract address /// @param kind The house contract type event HouseCreated(address indexed creator, address indexed house, bytes32 kind); /// @notice Emitted when a round is created /// @param creator The round creator /// @param house The house that the round was created on /// @param round The round contract address /// @param kind The round contract type /// @param title The round title /// @param description The round description event RoundCreated( address indexed creator, address indexed house, address indexed round, bytes32 kind, string title, string description ); /// @notice Emitted when an asset is deposited to a round /// @param from The user who deposited the asset /// @param round The round that received the asset /// @param asset The asset information event DepositToRound(address from, address round, Asset asset); /// @notice Emitted when one or more assets are deposited to a round /// @param from The user who deposited the asset(s) /// @param round The round that received the asset(s) /// @param assets The asset information event BatchDepositToRound(address from, address round, Asset[] assets); /// @notice Returns `true` if the passed `house` address is valid /// @param house The house address function isHouse(address house) external view returns (bool); /// @notice Returns `true` if the passed `round` address is valid on any house /// @param round The round address function isRound(address round) external view returns (bool); }
// SPDX-License-Identifier: GPL-3.0 pragma solidity >=0.8.17; interface IStarknetCore { /// @notice Send a message to an L2 contract and return the hash of the message /// @param toAddress The callee address /// @param selector The function selector /// @param payload The message payload function sendMessageToL2( uint256 toAddress, uint256 selector, uint256[] calldata payload ) external payable returns (bytes32); /// @notice Starts the cancellation of an L1 to L2 message /// @param toAddress The callee address /// @param selector The function selector /// @param payload The message payload /// @param nonce The message nonce function startL1ToL2MessageCancellation( uint256 toAddress, uint256 selector, uint256[] calldata payload, uint256 nonce ) external; /// @notice Cancels an L1 to L2 message, this function should be called messageCancellationDelay() seconds /// after the call to startL1ToL2MessageCancellation() /// @param selector The function selector /// @param payload The message payload /// @param nonce The message nonce function cancelL1ToL2Message( uint256 toAddress, uint256 selector, uint256[] calldata payload, uint256 nonce ) external; /// @notice Consume a message that was sent from an L2 contract and return the hash of the message /// @param fromAddress The caller address /// @param payload The message payload function consumeMessageFromL2(uint256 fromAddress, uint256[] calldata payload) external returns (bytes32); }
// SPDX-License-Identifier: GPL-3.0 pragma solidity >=0.8.17; import { IStarknetCore } from './IStarknetCore.sol'; interface IMessenger { /// @notice Thrown when the caller of a guarded function is not a valid round error ONLY_ROUND(); /// @notice Returns the Starknet core contract instance function starknet() external view returns (IStarknetCore); /// @notice Send a message to an L2 contract and return the hash of the message /// @param toAddress The callee address /// @param selector The function selector /// @param payload The message payload function sendMessageToL2( uint256 toAddress, uint256 selector, uint256[] calldata payload ) external payable returns (bytes32); /// @notice Starts the cancellation of an L1 to L2 message /// @param toAddress The callee address /// @param selector The function selector /// @param payload The message payload /// @param nonce The message cancellation nonce function startL1ToL2MessageCancellation( uint256 toAddress, uint256 selector, uint256[] calldata payload, uint256 nonce ) external; /// @notice Cancels an L1 to L2 message, this function should be called messageCancellationDelay() seconds /// after the call to startL1ToL2MessageCancellation() /// @param selector The function selector /// @param payload The message payload /// @param nonce The message cancellation nonce function cancelL1ToL2Message( uint256 toAddress, uint256 selector, uint256[] calldata payload, uint256 nonce ) external; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `to`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address to, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `from` to `to` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom(address from, address to, uint256 amount) external returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (token/ERC721/IERC721.sol) pragma solidity ^0.8.0; import "../../utils/introspection/IERC165.sol"; /** * @dev Required interface of an ERC721 compliant contract. */ interface IERC721 is IERC165 { /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /** * @dev Returns the number of tokens in ``owner``'s account. */ function balanceOf(address owner) external view returns (uint256 balance); /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address owner); /** * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom(address from, address to, uint256 tokenId, bytes calldata data) external; /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom(address from, address to, uint256 tokenId) external; /** * @dev Transfers `tokenId` token from `from` to `to`. * * WARNING: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721 * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must * understand this adds an external call which potentially creates a reentrancy vulnerability. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom(address from, address to, uint256 tokenId) external; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external; /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool approved) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll} */ function isApprovedForAll(address owner, address operator) external view returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (token/ERC1155/IERC1155.sol) pragma solidity ^0.8.0; import "../../utils/introspection/IERC165.sol"; /** * @dev Required interface of an ERC1155 compliant contract, as defined in the * https://eips.ethereum.org/EIPS/eip-1155[EIP]. * * _Available since v3.1._ */ interface IERC1155 is IERC165 { /** * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`. */ event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value); /** * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all * transfers. */ event TransferBatch( address indexed operator, address indexed from, address indexed to, uint256[] ids, uint256[] values ); /** * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to * `approved`. */ event ApprovalForAll(address indexed account, address indexed operator, bool approved); /** * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI. * * If an {URI} event was emitted for `id`, the standard * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value * returned by {IERC1155MetadataURI-uri}. */ event URI(string value, uint256 indexed id); /** * @dev Returns the amount of tokens of token type `id` owned by `account`. * * Requirements: * * - `account` cannot be the zero address. */ function balanceOf(address account, uint256 id) external view returns (uint256); /** * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}. * * Requirements: * * - `accounts` and `ids` must have the same length. */ function balanceOfBatch( address[] calldata accounts, uint256[] calldata ids ) external view returns (uint256[] memory); /** * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`, * * Emits an {ApprovalForAll} event. * * Requirements: * * - `operator` cannot be the caller. */ function setApprovalForAll(address operator, bool approved) external; /** * @dev Returns true if `operator` is approved to transfer ``account``'s tokens. * * See {setApprovalForAll}. */ function isApprovedForAll(address account, address operator) external view returns (bool); /** * @dev Transfers `amount` tokens of token type `id` from `from` to `to`. * * Emits a {TransferSingle} event. * * Requirements: * * - `to` cannot be the zero address. * - If the caller is not `from`, it must have been approved to spend ``from``'s tokens via {setApprovalForAll}. * - `from` must have a balance of tokens of type `id` of at least `amount`. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the * acceptance magic value. */ function safeTransferFrom(address from, address to, uint256 id, uint256 amount, bytes calldata data) external; /** * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}. * * Emits a {TransferBatch} event. * * Requirements: * * - `ids` and `amounts` must have the same length. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the * acceptance magic value. */ function safeBatchTransferFrom( address from, address to, uint256[] calldata ids, uint256[] calldata amounts, bytes calldata data ) external; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.3) (token/ERC20/utils/SafeERC20.sol) pragma solidity ^0.8.0; import "../IERC20.sol"; import "../extensions/IERC20Permit.sol"; import "../../../utils/Address.sol"; /** * @title SafeERC20 * @dev Wrappers around ERC20 operations that throw on failure (when the token * contract returns false). Tokens that return no value (and instead revert or * throw on failure) are also supported, non-reverting calls are assumed to be * successful. * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract, * which allows you to call the safe operations as `token.safeTransfer(...)`, etc. */ library SafeERC20 { using Address for address; /** * @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value, * non-reverting calls are assumed to be successful. */ function safeTransfer(IERC20 token, address to, uint256 value) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } /** * @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the * calling contract. If `token` returns no value, non-reverting calls are assumed to be successful. */ function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } /** * @dev Deprecated. This function has issues similar to the ones found in * {IERC20-approve}, and its usage is discouraged. * * Whenever possible, use {safeIncreaseAllowance} and * {safeDecreaseAllowance} instead. */ function safeApprove(IERC20 token, address spender, uint256 value) internal { // safeApprove should only be called when setting an initial allowance, // or when resetting it to zero. To increase and decrease it, use // 'safeIncreaseAllowance' and 'safeDecreaseAllowance' require( (value == 0) || (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value)); } /** * @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value, * non-reverting calls are assumed to be successful. */ function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 oldAllowance = token.allowance(address(this), spender); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance + value)); } /** * @dev Decrease the calling contract's allowance toward `spender` by `value`. If `token` returns no value, * non-reverting calls are assumed to be successful. */ function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal { unchecked { uint256 oldAllowance = token.allowance(address(this), spender); require(oldAllowance >= value, "SafeERC20: decreased allowance below zero"); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance - value)); } } /** * @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value, * non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval * to be set to zero before setting it to a non-zero value, such as USDT. */ function forceApprove(IERC20 token, address spender, uint256 value) internal { bytes memory approvalCall = abi.encodeWithSelector(token.approve.selector, spender, value); if (!_callOptionalReturnBool(token, approvalCall)) { _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, 0)); _callOptionalReturn(token, approvalCall); } } /** * @dev Use a ERC-2612 signature to set the `owner` approval toward `spender` on `token`. * Revert on invalid signature. */ function safePermit( IERC20Permit token, address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s ) internal { uint256 nonceBefore = token.nonces(owner); token.permit(owner, spender, value, deadline, v, r, s); uint256 nonceAfter = token.nonces(owner); require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed"); } /** * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement * on the return value: the return value is optional (but if data is returned, it must not be false). * @param token The token targeted by the call. * @param data The call data (encoded using abi.encode or one of its variants). */ function _callOptionalReturn(IERC20 token, bytes memory data) private { // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since // we're implementing it ourselves. We use {Address-functionCall} to perform this call, which verifies that // the target address contains contract code and also asserts for success in the low-level call. bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed"); require(returndata.length == 0 || abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } /** * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement * on the return value: the return value is optional (but if data is returned, it must not be false). * @param token The token targeted by the call. * @param data The call data (encoded using abi.encode or one of its variants). * * This is a variant of {_callOptionalReturn} that silents catches all reverts and returns a bool instead. */ function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) { // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since // we're implementing it ourselves. We cannot use {Address-functionCall} here since this should return false // and not revert is the subcall reverts. (bool success, bytes memory returndata) = address(token).call(data); return success && (returndata.length == 0 || abi.decode(returndata, (bool))) && Address.isContract(address(token)); } }
// SPDX-License-Identifier: GPL-3.0 pragma solidity >=0.8.17; import { IRound } from './IRound.sol'; /// @notice Interface that can be implemented by rounds that receive deposits interface IDepositReceiver is IRound { /// @notice A callback that is called when a deposit is received function onDepositReceived(address depositor, uint256 id, uint256 amount) external; /// @notice A callback that is called when a batch of deposits is received function onDepositsReceived(address depositor, uint256[] calldata ids, uint256[] calldata amounts) external; }
// SPDX-License-Identifier: GPL-3.0 pragma solidity >=0.8.17; import { IERC165 } from '../../interfaces/IERC165.sol'; abstract contract ERC165 is IERC165 { /// @dev See {IERC165-supportsInterface}. function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } }
// SPDX-License-Identifier: GPL-3.0 pragma solidity >=0.8.17; import { IERC165 } from '../../interfaces/IERC165.sol'; /// @notice A generic interface for a contract which properly accepts ERC721 tokens. abstract contract ERC721TokenReceiver { function onERC721Received(address, address, uint256, bytes calldata) external virtual returns (bytes4) { return this.onERC721Received.selector; } } /// @notice A generic interface for a contract which properly accepts ERC1155 tokens. abstract contract ERC1155TokenReceiver is IERC165 { function onERC1155Received( address, address, uint256, uint256, bytes calldata ) external view virtual returns (bytes4) { return ERC1155TokenReceiver.onERC1155Received.selector; } function onERC1155BatchReceived( address, address, uint256[] calldata, uint256[] calldata, bytes calldata ) external view virtual returns (bytes4) { return ERC1155TokenReceiver.onERC1155BatchReceived.selector; } }
// SPDX-License-Identifier: GPL-3.0 pragma solidity >=0.8.17; interface ITokenMetadataRenderer { /// @notice Returns metadata for `tokenId` as a Base64-JSON blob /// @param tokenId The token ID function tokenURI(uint256 tokenId) external view returns (string memory); }
// SPDX-License-Identifier: GPL-3.0 pragma solidity >=0.8.17; /// @title IERC1155 /// @notice The external ERC1155 events, errors, and functions interface IERC1155 { /// @notice Thrown when the caller is not authorized error NOT_AUTHORIZED(); /// @notice Thrown when the receiver is the zero address or fails to accept the transfer error UNSAFE_RECIPIENT(); /// @notice Thrown when provided array lengths are not equal error LENGTH_MISMATCH(); /// @notice Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator` event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value); /// @notice Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all transfers event TransferBatch( address indexed operator, address indexed from, address indexed to, uint256[] ids, uint256[] values ); /// @notice Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to /// `approved` event ApprovalForAll(address indexed account, address indexed operator, bool approved); /// @notice Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI event URI(string value, uint256 indexed id); /// @notice Returns the amount of tokens of token type `id` owned by `account` function balanceOf(address account, uint256 id) external view returns (uint256); /// @notice Batched version of {balanceOf} function balanceOfBatch( address[] calldata accounts, uint256[] calldata ids ) external view returns (uint256[] memory); /// @notice Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved` function setApprovalForAll(address operator, bool approved) external; /// @notice Returns true if `operator` is approved to transfer `account`'s tokens function isApprovedForAll(address account, address operator) external view returns (bool); /// @notice Transfers `amount` tokens of token type `id` from `from` to `to` function safeTransferFrom(address from, address to, uint256 id, uint256 amount, bytes calldata data) external; /// @notice Batched version of {safeTransferFrom} function safeBatchTransferFrom( address from, address to, uint256[] calldata ids, uint256[] calldata amounts, bytes calldata data ) external; }
// SPDX-License-Identifier: GPL-3.0 pragma solidity >=0.8.17; /// @title IERC721 /// @notice The external ERC721 events, errors, and functions interface IERC721 { /// @dev Thrown when a caller is not authorized to approve or transfer a token error INVALID_APPROVAL(); /// @dev Thrown when a transfer is called with the incorrect token owner error INVALID_OWNER(); /// @dev Thrown when a transfer is attempted to address(0) error INVALID_RECIPIENT(); /// @dev Thrown when an existing token is called to be minted error ALREADY_MINTED(); /// @dev Thrown when a non-existent token is called to be burned error NOT_MINTED(); /// @dev Thrown when address(0) is incorrectly provided error ADDRESS_ZERO(); /// @notice Emitted when a token is transferred from sender to recipient /// @param from The sender address /// @param to The recipient address /// @param tokenId The ERC-721 token id event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /// @notice Emitted when an owner approves an account to manage a token /// @param owner The owner address /// @param approved The account address /// @param tokenId The ERC-721 token id event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /// @notice Emitted when an owner sets an approval for a spender to manage all tokens /// @param owner The owner address /// @param operator The spender address /// @param approved If the approval is being set or removed event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /// @notice Emitted when the contract URI is updated /// @param uri The updated contract URI event ContractURIUpdated(string uri); /// @notice Contract-level metadata function contractURI() external view returns (string memory); /// @notice The number of tokens owned /// @param owner The owner address function balanceOf(address owner) external view returns (uint256); /// @notice The owner of a token /// @param tokenId The ERC-721 token id function ownerOf(uint256 tokenId) external view returns (address); /// @notice The account approved to manage a token /// @param tokenId The ERC-721 token id function getApproved(uint256 tokenId) external view returns (address); /// @notice If an operator is authorized to manage all of an owner's tokens /// @param owner The owner address /// @param operator The operator address function isApprovedForAll(address owner, address operator) external view returns (bool); /// @notice Authorizes an account to manage a token /// @param to The account address /// @param tokenId The ERC-721 token id function approve(address to, uint256 tokenId) external; /// @notice Authorizes an account to manage all tokens /// @param operator The account address /// @param approved If permission is being given or removed function setApprovalForAll(address operator, bool approved) external; /// @notice Safe transfers a token from sender to recipient with additional data /// @param from The sender address /// @param to The recipient address /// @param tokenId The ERC-721 token id /// @param data The additional data sent in the call to the recipient function safeTransferFrom(address from, address to, uint256 tokenId, bytes calldata data) external; /// @notice Safe transfers a token from sender to recipient /// @param from The sender address /// @param to The recipient address /// @param tokenId The ERC-721 token id function safeTransferFrom(address from, address to, uint256 tokenId) external; /// @notice Transfers a token from sender to recipient /// @param from The sender address /// @param to The recipient address /// @param tokenId The ERC-721 token id function transferFrom(address from, address to, uint256 tokenId) external; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165 { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.4) (token/ERC20/extensions/IERC20Permit.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612]. * * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't * need to send a transaction, and thus is not required to hold Ether at all. * * ==== Security Considerations * * There are two important considerations concerning the use of `permit`. The first is that a valid permit signature * expresses an allowance, and it should not be assumed to convey additional meaning. In particular, it should not be * considered as an intention to spend the allowance in any specific way. The second is that because permits have * built-in replay protection and can be submitted by anyone, they can be frontrun. A protocol that uses permits should * take this into consideration and allow a `permit` call to fail. Combining these two aspects, a pattern that may be * generally recommended is: * * ```solidity * function doThingWithPermit(..., uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) public { * try token.permit(msg.sender, address(this), value, deadline, v, r, s) {} catch {} * doThing(..., value); * } * * function doThing(..., uint256 value) public { * token.safeTransferFrom(msg.sender, address(this), value); * ... * } * ``` * * Observe that: 1) `msg.sender` is used as the owner, leaving no ambiguity as to the signer intent, and 2) the use of * `try/catch` allows the permit to fail and makes the code tolerant to frontrunning. (See also * {SafeERC20-safeTransferFrom}). * * Additionally, note that smart contract wallets (such as Argent or Safe) are not able to produce permit signatures, so * contracts should have entry points that don't rely on permit. */ interface IERC20Permit { /** * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens, * given ``owner``'s signed approval. * * IMPORTANT: The same issues {IERC20-approve} has related to transaction * ordering also apply here. * * Emits an {Approval} event. * * Requirements: * * - `spender` cannot be the zero address. * - `deadline` must be a timestamp in the future. * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner` * over the EIP712-formatted function arguments. * - the signature must use ``owner``'s current nonce (see {nonces}). * * For more information on the signature format, see the * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP * section]. * * CAUTION: See Security Considerations above. */ function permit( address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s ) external; /** * @dev Returns the current nonce for `owner`. This value must be * included whenever a signature is generated for {permit}. * * Every successful call to {permit} increases ``owner``'s nonce by one. This * prevents a signature from being used multiple times. */ function nonces(address owner) external view returns (uint256); /** * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}. */ // solhint-disable-next-line func-name-mixedcase function DOMAIN_SEPARATOR() external view returns (bytes32); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol) pragma solidity ^0.8.1; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * * Furthermore, `isContract` will also return true if the target contract within * the same transaction is already scheduled for destruction by `SELFDESTRUCT`, * which only has an effect at the end of a transaction. * ==== * * [IMPORTANT] * ==== * You shouldn't rely on `isContract` to protect against flash loan attacks! * * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract * constructor. * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize/address.code.length, which returns 0 // for contracts in construction, since the code is only stored at the end // of the constructor execution. return account.code.length > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract. * * _Available since v4.8._ */ function verifyCallResultFromTarget( address target, bool success, bytes memory returndata, string memory errorMessage ) internal view returns (bytes memory) { if (success) { if (returndata.length == 0) { // only check isContract if the call was successful and the return data is empty // otherwise we already know that it was a contract require(isContract(target), "Address: call to non-contract"); } return returndata; } else { _revert(returndata, errorMessage); } } /** * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason or using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { _revert(returndata, errorMessage); } } function _revert(bytes memory returndata, string memory errorMessage) private pure { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly /// @solidity memory-safe-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } }
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Multichain Portfolio | 30 Chains
Chain | Token | Portfolio % | Price | Amount | Value |
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.